Answer:
A cell is made up of several molecules working together; a tissue is made up of many cells, working together; and an organ is made up of several tissues working together.
Explanation:
Answer: option A is the correct answer
Explanation:
Answer: It can affect A LOT
Explanation: if something were to suddenly vanish, all the creatures above it, and below it will be in big danger.
Part of an organism, a nucleotide is a part